HubMub
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N-iX

Senior Java Engineer

N-iX
Ukraine · Full-time · Not Applicable
We are looking for a Senior Backend Engineer with deep expertise in Java and Cloud-Native architecture to join our engineering team on a strategic project aimed at enhancing the stability, scalability, and resilience of our SaaS platform. You will be responsible for optimizing and hardening existing microservices, improving fault tolerance, and enabling platform scalability.

Key Responsibilities:

  • Analyze and optimize performance-critical Java/Quarkus microservices;
  • Implement resilience patterns (e.g., circuit breakers, load shedding);
  • Improve API efficiency through payload optimization and caching strategies;
  • Collaborate with SREs and DevOps to enhance Kubernetes deployment configurations;
  • Support migration of selected endpoints from synchronous to asynchronous models.

Required Skills:

  • Expert in Java, Quarkus, JPA/Hibernate with 8+ years of experience;
  • Proficient in REST APIs, PostgreSQL, Redis or similar caching tools;
  • A proven track record of implementing resilience patterns (like Circuit Breaker) and successfully identifying and resolving performance bottlenecks in a microservices environment is essential;
  • Familiarity with Kubernetes, Prometheus, Docker;
  • Hands-on experience with CI/CD tools (Jenkins preferred).

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits
  • not applicable for freelancers

Key Skills

Ranked by relevance

microservices kubernetes java fault tolerance postgresql prometheus jenkins devops redis cloud saas cicd
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Posted
Jul 23, 2025
Type
Full-time
Level
Not Applicable
Location
Ukraine
Company
N-iX

Industries

Construction

Categories

Engineering

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